async_textformfield 1.0.0+3 copy "async_textformfield: ^1.0.0+3" to clipboard
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A text form field with an async validator

Async TextFormField #

A text form field which lets you validate the entered text from an async service call.

Usage #


Future<bool> isValidPasscode(String value) async {
    return await Future.delayed(Duration(seconds: 2),
        () => value.isNotEmpty && value.toLowerCase() == 'batman');
}

@override
Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Padding(
        padding: const EdgeInsets.all(10.0),
        child: Center(
          child: Form(
              child: Center(
            child: AsyncTextFormField(
              controller: controller,
              validationDebounce: Duration(milliseconds: 500),
              validator: isValidPasscode,
              hintText: 'Enter the Passcode',
            ),
          )),
        ),
      ),
    );
  }
}

Contributing #

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

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Publisher

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A text form field with an async validator

Repository (GitHub)
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License

BSD-2-Clause (LICENSE)

Dependencies

flutter

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